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March 815-PL Pump - 6 foot power cord and plug


SKU# 40781

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A high-flow version of the classic March 809 pump.

Magnetic drive of the impeller allows you to restrict the flow out of the pump, without affecting the motor.

Like other pumps of this style, it is not self-priming. For best results, position the pump below the level of your kettle and allow the pump head to fill with liquid before turning on the pump. 

Availability: In stock


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  • 40781
  • 40781
Product Details
This is a high-flow version of the classic March 809 pump for transferring hot and cool liquids during brewing. It has a max flow of 7 gallons per minute and a max head of 18.6 feet. All the same features and durability as the March 809 pump.

This pump is NOT self-priming, the pump head must be filled with liquid before it will pump properly. This means that you will have to position the pump below the level of the liquid for the input. Do not restrict flow into the pump, only on the output side.

We recommend some high-temperature 1/2" tubing in either Thermoplastic or Silicone for all connections to the pump and equipment.

Adding a 1/2" ball-valve to the output of the pump allows you to precisely control the flow of liquid from vessel to vessel or through a plate chiller. You can even stop the flow entirely using the valve, without turning off the pump and losing the prime!

A set of Quick Disconnects on your equipment and tubing make the brew day even easier. 
Additional Information
Support Documents:No
4.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Great pump, be careful with the head
Pumping capabilities are great once you get the hang of priming the pump. However, be careful with the pump, mine fell about a foot with some fittings on the threads and the threads broke off. It's rare this kind of thing happens, but probably worth the extra money to buy a steelhead instead of pay another $30 for another head for this thing.
January 2, 2014
Awesome pump
I just used my 815 in my HERMES system after using 809HS versions for 2 years. Night and day this is the pump to use, the 809 is sometimes difficult to get the trapped air out, even with a drain valve and you loose precious wort in the process. the 809 also cannot pump across the range of head that the 815 can. The only difference is the impeller, the 815 has a larger impeller, easy to prime and pumps smoothly. I am going to replace the impellers in my other 2 809s to run like this one does! for the few $$ more this is the pump to get!
November 22, 2012
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Browse 2 questions Browse 2 questions and 3 answers
Are there more accurate and consistent ways to control the flow rate from this pump without using a ball valve?
Caleb C on Dec 17, 2017
BEST ANSWER: I just use the ball valve which works for me
I'm thinking of buying one of these to use as a forwarding pump at work. It would be left on 24/7 though, so I'm curious, what the longevity of the pump would be? It would constantly have 40-50 psi of pressure feeding it, but would need to combat 40-45 psi of head pressure to do what I need it to do.
A shopper on Feb 13, 2018
BEST ANSWER: This may not be right for a heavy-use industrial application like that. These are made for the craft and home beermaker, and may not be suitable for 24/7 operation. Here's a link to March Pump's site, with more info on this particular unit: http://www.marchpump.com/pumps/beer-pumps/815-pl-beer/

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